A libyan rebel fighter runs up a burning stairwell during an effort to dislodge some ensconced government loyalist troops who were firing on them from an upstairs room during house-to-house fighting on Tripoli Street in downtown Misrata, Libya. (April 20, 2011)

(Credit: Getty Images/Chris Hondros)

Libyan rebel fighter rolls a burning tire into a room containing ensconced government loyalist troops who were firing on them during house-to-house fighting on Tripoli Street in downtown Misrata, Libya. (April 20, 2011)

(Credit: Getty Images/Chris Hondros)

A Libyan rebel fighter covers a burning room containing ensconced government loyalist troops who were firing on them during house-to-house fighting on Tripoli Street in downtown Misrata, Libya. (April 20, 2011)

A Libyan rebel fighter fires into a basement during an effort to dislodge some ensconced government loyalist troops who were firing on them during house-to-house fighting on Tripoli Street in downtown Misrata, Libya. (April 20, 2011)

Selima Abdullah caresses her youngest granddaughter Heba, who suffered a ripped-open abdomen from shrapnel, at a hospital in Misrata, Libya, after an explosive shell landed near her home during fighting in the besieged city of Misrata two days earlier. (April 19, 2011)

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Ziad, a brother of slain rebel Nasser Ali Afglio, is consoled by a friend during the funeral for the young Libyan rebel killed during a recent battle with government troops loyal to Libyan ruler Moammar Gaddafi in Misrata, Libya. (April 19, 2011)

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MISRATA, LIBYA - APRIL 19: Gravediggers turn the earth while digging a grave for a civilian victim of the Libyan conflict April 19, 2011 in Misrata, Libya. The simple graveyard in Misrata has hundreds of simple concrete graves; many dozens are those that have been killed during the last two months of fighting in the besieged town. Thousands of civilians are trapped in Misrata as fighting continues between Libyan government forces that have surrounded the city and anti-government rebels there.

(Credit: Getty/Chris Hondros)

MISURATA, LIBYA - APRIL 20: Rebel fighters fire at government loyalist troops during street fighting on Tripoli Street in downtown Misurata April 20, 2011 in Misurata, Libya. Rebel forces assaulted the downtown positions of troops loyal to Libyan strongman Moammar Gaddafi April 20, briefly forcing them back over a key bridge and trapping several in a building that rebel troops then surrounded. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 20: Libyan rebel fighters discuss how to dislodge some ensconced government loyalist troops who were firing on them from the next room during house-to-house fighting on Tripoli Street in downtown Misrata April 20, 2011 in Misrata, Libya. Rebel forces assaulted the downtown positions of troops loyal to Libyan strongman Moammar Gaddafi April 20, briefly forcing them back over a key bridge and trapping several in a building that fought back instead of surrendering, firing on the rebels in the building and seriously wounding two of them during the standoff. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there.

MISRATA, LIBYA - APRIL 20: Libyan rebel fighters carry out a comrade wounded during an effort to dislodge some ensconced government loyalist troops who were firing on them from a building (background) during house-to-house fighting on Tripoli Street in downtown Misrata April 20, 2011 in Misrata, Libya. Rebel forces assaulted the downtown positions of troops loyal to Libyan strongman Moammar Gaddafi April 20, briefly forcing them back over a key bridge and trapping several in a building that fought back instead of surrendering, firing on the rebels in the building and seriously wounding two of them during the standoff. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: Tripoli Street in downtown Misrata is a scene of destruction April 18, 2011 in Misrata, Libya. Tripoli Street once was Misrata's posh main avenue for shops and expensive apartments. Now weeks of battles between forces loyal to Libyan ruler Moammar Gaddafi and rebels have left it in ruins. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there, as the Libyan uprising enters its third month.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 17: Migrant workers from Nigeria and other African countries line up to board a relief ship to leave the besieged city of Misrata April 17, 2011 at the port in Misrata, Libya. Thousands of foreign workers and Libyans alike are trying to leave war-torn Misrata, as fighting continued between Libyan government forces and anti-government rebels. The Libyan government has come under international criticism for using heavy weapons and artillery in its assault on Misrata, which can cause civilian casualties.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 17: The Nigerian daughter of migrant worker waits with a bag to board a relief ship to leave the besieged city of Misrata April 17, 2011 at the port in Misrata, Libya. Thousands of foreign workers and Libyans alike are trying to leave war-torn Misrata, as fighting continues between Libyan government forces and anti-government rebels. The Libyan government has come under international criticism for using heavy weapons and artillery in its assault on Misrata, which can cause civilian casualties.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: Doctors work on a rebel fighter wounded by shrapnel in the leg at the hospital in the besieged city at a hospital on April 18, 2011 in Misrata, Libya. Thousands of civilians are trapped in Misrata as fighting continues between Libyan government forces that have surrounded the city and anti-government rebels there. The Libyan government has come under international criticism for using heavy weapons and artillery in its assault on Misrata, which can cause civilian casualties.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: Doctors work on a baby who suffered cuts from shrapnel that blasted through the window of his home earlier in the morning during fighting in the besieged city at a hospital on April 18, 2011 in Misrata, Libya. Thousands of civilians are trapped in Misrata as fighting continues between Libyan government forces that have surrounded the city and anti-government rebels there. The Libyan government has come under international criticism for using heavy weapons and artillery in its assault on Misrata, which can cause civilian casualties.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: Foreign workers from Nigeria, Ghana, and other African countries pile in the back of a truck with their belongings trying to leave the besieged city of Misrata April 18, 2011 as the sun sets on the port in Misrata, Libya. Thousands of foreign workers and Libyans alike are trying to leave war-torn Misrata, as fighting continued between Libyan government forces and anti-government rebels. The Libyan government has come under international criticism for using heavy weapons and artillery in its assault on Misrata, which can cause civilian casualties.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: Foreign workers from Nigeria, Ghana, and other African countries pile in the back of a truck with their belongings trying to leave the besieged city of Misrata April 18, 2011 as the sun sets on the port in Misrata, Libya. Thousands of foreign workers and Libyans alike are trying to leave war-torn Misrata, as fighting continued between Libyan government forces and anti-government rebels. The Libyan government has come under international criticism for using heavy weapons and artillery in its assault on Misrata, which can cause civilian casualties.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: A rebel fighter moves through a hole punched in a wall near the front line fighting on Tripoli Street in downtown Misrata April 18, 2011 in Misrata, Libya. Tripoli Street once was Misrata's posh main avenue for shops and expensive apartments. Now weeks of house-to-house battles between forces loyal to Libyan ruler Moammar Gaddafi and rebels have left it in ruins. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there, as the Libyan uprising enters its third month.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: A rebel fighter stands in the destroyed lobby of a office building on Tripoli Street in downtown Misrata April 18, 2011 in Misrata, Libya. Tripoli Street once was Misrata's posh main avenue for shops and expensive apartments. Now weeks of house-to-house battles between forces loyal to Libyan ruler Moammar Gaddafi and rebels have left it in ruins. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there, as the Libyan uprising enters its third month.

(Credit: Getty/Chris Hondros)

MISRATA, LIBYA - APRIL 18: Tripoli Street in downtown Misrata is a scene of destruction April 18, 2011 in Misrata, Libya. Tripoli Street once was Misrata's posh main avenue for shops and expensive apartments. Now weeks of battles between forces loyal to Libyan ruler Moammar Gaddafi and rebels have left it in ruins. Fighting continues between Libyan government forces that have surrounded the city and anti-government rebels ensconced there, as the Libyan uprising enters its third month.

(Credit: Getty/Chris Hondros)

BENGHAZI, LIBYA - APRIL 15: Muhammed, a friend of Ramadan Omar Balah, cries on his grave moments after Balah's burial April 15, 2011 in Benghazi, Libya. Balah, an rebel against longtime Libyan ruler Moammar Gaddafi's rule, was killed a day ago by Libyan leader Moammar Gaddafi sympathizers on the outskirts of Benghazi, a reminder of the brutal civil conflict that is engulfing the north African country. Life in the rebel capital of Benghazi continues, even as troops loyal to Gaddafi battle with rebel fighters at front lines about 100 miles away, and while residents wonder whether they can escape the pull of Gaddafi's 42-year long rule.

(Credit: Getty/Chris Hondros)

BENGHAZI, LIBYA - APRIL 15: Two girls from a Syrian migrant family disembark a ship that evacuated them from the besieged city of Misrata April 15, 2011 in Benghazi, Libya. Nearly 1,200 Asian and African migrants escaped from war-torn Misrata today, evacuated by international aid organizations aboard a chartered Greek vessel for the relative safety of Benghazi in Libya's rebel-held east.

(Credit: Getty/Chris Hondros)

BENGHAZI, LIBYA - APRIL 15: Migrant workers stand in line waiting to disembark a ship that evacuated them from the besieged city of Misrata April 15, 2011 in Benghazi, Libya. Nearly 1,200 Asian and African migrants escaped from war-torn Misrata today, evacuated by international aid organizations aboard a chartered Greek vessel for the relative safety of Benghazi in Libya's rebel-held east.

(Credit: Getty/Chris Hondros)

BENGHAZI, LIBYA - APRIL 15: A migrant worker searches through piled-up luggage after an evacuation trip from the besieged city of Misrata April 15, 2011 in Benghazi, Libya. Nearly 1,200 Asian and African migrants escaped from war-torn Misrata today, evacuated by international aid organizations aboard a chartered Greek vessel for the relative safety of Benghazi in Libya's rebel-held east.

(Credit: Getty/Chris Hondros)

BENGHAZI, LIBYA - APRIL 15: A sick migrant worker is placed on a gurney for disembarkment from a ship that evacuated refugees from the besieged city of Misrata April 15, 2011 in Benghazi, Libya. Nearly 1,200 Asian and African migrants escaped from war-torn Misrata today, evacuated by international aid organizations aboard a chartered Greek vessel for the relative safety of Benghazi in Libya's rebel-held east.

(Credit: Getty/Chris Hondros)

A rebel fighter celebrates as his comrades fire a rocket barrage toward the positions of troops loyal to Libyan ruler Muammar Gaddafi April 14, 2011 west of Ajdabiyah, Libya. Rebels exchanged artillery and rocket fire with loyalist troops west of Ajdabiyah April 14 as the confict engulfing Libya continued.

(Credit: Getty/Chris Hondros)

Rebel fighters on a launch truck watch the path of a rocket they fired toward troops loyal to Libyan ruler Muammar Gaddafi April 14, 2011 west of Ajdabiyah, Libya. Rebels exchanged artillery and rocket fire with loyalist troops west of Ajdabiyah April 14 as the confict engulfing Libya continued.

(Credit: Getty/Chris Hondros)

Rebel fighters load up rockets before launching a barrage toward positions of troops loyal to Libyan ruler Muammar Gaddafi April 14, 2011 west of Ajdabiyah, Libya. Rebels exchanged artillery and rocket fire with loyalist troops west of Ajdabiyah April 14 as the confict engulfing Libya continued.

(Credit: Getty/Chris Hondros)

A rebel fighter sits on the main highway awaiting a rumored Libyan Army advance April 11, 2011 between the crucial towns of Ajdabiyah and Brega, Libya. Rebels continued to hold the strategic town of Ajdabiyah a day after NATO air power struck army troops loyal to Libyan ruler Moammar Gaddafi nearby, helping the rebels secure the city.

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AJDABIYAH, LIBYA - APRIL 09: A Libyan rebel carries a rocket propelled grenade launcher during an advance April 9, 2011 outside of Ajdabiyah, Libya. Rebels continued their battles with Libyan loyalist soldiers April 9, briefly losing Ajdabiyah to government troops before re-taking the town before sundown from troops loyal to longtime Libyan ruler Muammar Gaddafi.